1 /* $OpenBSD: misc.c,v 1.16 2009/10/27 23:59:21 deraadt Exp $ */ 2 /* $NetBSD: misc.c,v 1.4 1995/03/21 09:04:10 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1991, 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Keith Muller of the University of California, San Diego and Lance 10 * Visser of Convex Computer Corporation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #include <sys/types.h> 38 #include <sys/time.h> 39 #include <sys/uio.h> 40 41 #include <err.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <errno.h> 46 #include <time.h> 47 #include <unistd.h> 48 49 #include "dd.h" 50 #include "extern.h" 51 52 void 53 summary(void) 54 { 55 struct timeval nowtv; 56 char buf[4][100]; 57 struct iovec iov[4]; 58 double microsecs; 59 int i = 0; 60 61 (void)gettimeofday(&nowtv, (struct timezone *)NULL); 62 timersub(&nowtv, &st.startv, &nowtv); 63 microsecs = ((double)nowtv.tv_sec * 1000000) + nowtv.tv_usec; 64 if (microsecs == 0) 65 microsecs = 1; 66 67 /* Use snprintf(3) so that we don't reenter stdio(3). */ 68 (void)snprintf(buf[0], sizeof(buf[0]), 69 "%zu+%zu records in\n%zu+%zu records out\n", 70 st.in_full, st.in_part, st.out_full, st.out_part); 71 iov[i].iov_base = buf[0]; 72 iov[i++].iov_len = strlen(buf[0]); 73 74 if (st.swab) { 75 (void)snprintf(buf[1], sizeof(buf[1]), 76 "%zu odd length swab %s\n", 77 st.swab, (st.swab == 1) ? "block" : "blocks"); 78 iov[i].iov_base = buf[1]; 79 iov[i++].iov_len = strlen(buf[1]); 80 } 81 if (st.trunc) { 82 (void)snprintf(buf[2], sizeof(buf[2]), 83 "%zu truncated %s\n", 84 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 85 iov[i].iov_base = buf[2]; 86 iov[i++].iov_len = strlen(buf[2]); 87 } 88 (void)snprintf(buf[3], sizeof(buf[3]), 89 "%qd bytes transferred in %ld.%03ld secs (%0.0f bytes/sec)\n", 90 (long long)st.bytes, nowtv.tv_sec, nowtv.tv_usec / 1000, 91 ((double)st.bytes * 1000000) / microsecs); 92 93 iov[i].iov_base = buf[3]; 94 iov[i++].iov_len = strlen(buf[3]); 95 96 (void)writev(STDERR_FILENO, iov, i); 97 } 98 99 /* ARGSUSED */ 100 void 101 summaryx(int notused) 102 { 103 int save_errno = errno; 104 105 summary(); 106 errno = save_errno; 107 } 108 109 /* ARGSUSED */ 110 void 111 terminate(int notused) 112 { 113 114 summary(); 115 _exit(0); 116 } 117